Missing @Override markers

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@800112 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/commons/math/util/DefaultTransformer.java

@@ -60,6 +60,7 @@ public class DefaultTransformer implements NumberTransformer, Serializable {
     }
 
     /** {@inheritDoc} */
+    @Override
     public boolean equals(Object other) {
         if (this == other) { 
             return true;

src/main/java/org/apache/commons/math/util/TransformerMap.java

@@ -153,6 +153,7 @@ public class TransformerMap implements NumberTransformer, Serializable {
     }
 
     /** {@inheritDoc} */
+    @Override
     public boolean equals(Object other) {
         if (this == other) { 
             return true;

src/test/java/org/apache/commons/math/stat/descriptive/SynchronizedDescriptiveStatisticsTest.java

@@ -33,6 +33,7 @@ public final class SynchronizedDescriptiveStatisticsTest extends DescriptiveStat
         return suite;
     }
 
+    @Override
     protected DescriptiveStatistics createDescriptiveStatistics() {
         return new SynchronizedDescriptiveStatistics();
     }

src/test/java/org/apache/commons/math/stat/descriptive/SynchronizedMultivariateSummaryStatisticsTest.java

@@ -33,6 +33,7 @@ public final class SynchronizedMultivariateSummaryStatisticsTest extends Multiva
         return suite;
     }
 
+    @Override
     protected MultivariateSummaryStatistics createMultivariateSummaryStatistics(int k, boolean isCovarianceBiasCorrected) {
         return new SynchronizedMultivariateSummaryStatistics(k, isCovarianceBiasCorrected);
     }